2018 Audi A5 2.0 TDI ultra S Line

Price: £11,500. Fair price: £227 (1%) under the AskCar estimate of £11,727, our expected asking price for this car from its model, age, mileage and specification, drawing on 1,865 priced Audi A5 adverts on AskCar as of 4 November 2026.

AskCar lists 1,911 used Audi A5 from 1,079 UK dealerships, as of 4 November 2026.

Overview

  • Make: Audi
  • Model: A5
  • Trim: S Line
  • Version: 2.0 TDI ultra S Line Manual FWD Euro 6 (s/s) 5dr Sportback (187 bhp)
  • Year: 2018
  • Mileage: 89,300 miles
  • Fuel: Diesel
  • Body: Hatchback, 5 doors, 5 seats
  • Engine: 2.0 litres, 187 bhp
  • Gearbox: Manual
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 113 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2018 Audi A5 S Line is advertised with 89,300 miles, approximately 17,900 above the typical mileage for its age. The AskCar estimate for this car is £11,727. It is priced at £11,500, which is £227 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 1,865 Audi A5 cars across different ages and specifications. We have tracked this advert today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Keepers Cars, based in Stonehouse. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £227 (1%) under the AskCar estimate of £11,727.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,865 priced Audi A5 adverts across different ages and specifications, as of 4 November 2026.

A 2018 Audi A5 with the 2.0 diesel engine is typically advertised at £13,500: the median of the 121 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2018 Audi A5 advertised today. About half of 2018 Audi A5 cars are gone from sale within a month of being advertised: 104 of the 204 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £11,500. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 29 October 2027.

It has had 7 MOTs. The latest, on 30 October 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 89,242 miles, which matches the advertised 89,300 miles.

Advertised mileage is about 17,900 miles higher than the median mileage of a 2018 Audi A5 on AskCar.

Similar cars

3 other 2018 Audi A5 S Line 2.0 diesel manual hatchbacks are for sale at UK dealers, from £10,995 to £15,990, as of 4 November 2026.

The 3 closest to this car in mileage:

  • 2018 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 109,000 miles. Price: £10,995, £505 less than this car. Dealer: RM Trade Sales in Dungannon. AskCar page: https://askcar.co.uk/car/audi-a5-2018-2d34a7ac15a7
  • 2018 Audi A5 S Line, 2.0 diesel hatchback, grey. Mileage: 68,000 miles. Price: £14,895, £3,395 more than this car. Dealer: Hynes Motors in Newry. AskCar page: https://askcar.co.uk/car/audi-a5-2018-41b49969fb5e
  • 2018 Audi A5 S Line, 2.0 diesel hatchback, white. Mileage: 46,211 miles. Price: £15,990, £4,490 more than this car. Dealer: Formula One Car Supermarket in Falkirk. AskCar page: https://askcar.co.uk/car/audi-a5-2018-3a2b28dfb64f

Browse all Audi A5 cars for sale · 2018 Audi A5 price guide

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Photos

64 photos of this car are on its AskCar page.

As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.